Ordering number : ENA0478A
LC87F2832A
Overview
CMOS IC
FROM 32K byte, RAM 1024 byte on-chip
8-bit 1-chip Microcontroller
The SANYO LC87F2832A is an 8-bit microcomputer that, centered around a CPU running at a minimum bus cycle time
of 83.3ns, integrates on a single chip a number of hardware features such as 32K-byte flash ROM (onboard
programmable), 1024-byte RAM, an on-chip debugger, sophisticated 16-bit timers/counters (may be divided into 8-bit
timers), a 16-bit timer/counter (may be divided into 8-bit timers/counters or 8-bit PWMs), four 8-bit timers with a
prescaler, a base timer serving as a time-of-day clock, a high-speed clock counter, a synchronous SIO interface (with
automatic block transmission/reception capabilities), an asynchronous/synchronous SIO interface, a UART interface (full
duplex), an 8-bit 11-channel AD converter, two 12-bit PWM channels, a system clock frequency divider, frequency
variable RC oscillation circuit , and a 25-source 10-vector interrupt feature.
Features
Flash ROM
•
Capable of on-board-programing with wide range, 3.0 to 5.5V, of voltage source.
•
Block-erasable in 128-byte units
•
Writable in 2-byte units
•
32768
×
8 bits (LC87F2832A)
RAM
•
1024
×
9 bits (LC87F2832A)
Minimum Bus Cycle
•
83.3ns (12MHz)
VDD=3.0 to 5.5V
•
125ns (8MHz)
VDD=2.5 to 5.5V
•
250ns (4MHz)
VDD=2.2 to 5.5V
Note: The bus cycle time here refers to the ROM read speed.
* This product is licensed from Silicon Storage Technology, Inc. (USA), and manufactured and sold by
SANYO Semiconductor Co., Ltd.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
'
s products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'
s products or
equipment.
Ver.1.01
N1809HKIM 20091022-S00003 No.A0478-1/27
LC87F2832A
Minimum Instruction Cycle Time
•
250ns (12MHz)
VDD=3.0 to 5.5V
•
375ns (8MHz)
VDD=2.5 to 5.5V
•
750ns (4MHz)
VDD=2.2 to 5.5V
Ports
•
Normal withstand voltage I/O ports
Ports whose I/O direction can be designated in 1-bit units
50 (P1n, P2n, P30 to P33, P70 to P73, P80 to P86, PBn,
PCn, PWM2, PWM3, XT2)
(Ports P30 to P33 are available in FLGA68K(6.0×6.0) package only.)
Ports whose I/O direction can be designated in 4 bit units
8 (P0n)
•
Normal withstand voltage input port
1 (XT1)
•
Dedicated oscillator ports
2 (CF1, CF2)
•
Reset pins
1 (RES)
•
Power pins
6 (VSS1 to 3, VDD1 to 3)
Timers
•
Timer 0: 16-bit timer/counter with two capture registers.
Mode 0: 8-bit timer with an 8-bit programmable prescaler (with two 8-bit capture register)
×
2 channels
Mode 1: 8-bit timer with an 8-bit programmable prescaler (with two 8-bit capture register)
+ 8-bit counter (with an 8-bit capture register)
Mode 2: 16-bit timer with an 8-bit programmable prescaler (with two 16-bit capture register)
Mode 3: 16-bit counter (with two 16-bit capture register)
•
Timer 1: 16-bit timer/counter that supports PWM/toggle outputs
Mode 0: 8-bit timer with an 8-bit prescaler (with toggle outputs)
+ 8-bit timer/counter with an 8-bit prescaler (with toggle outputs)
Mode 1: 8-bit PWM with an 8-bit prescaler
×
2 channels
Mode 2: 16-bit timer/counter with an 8-bit prescaler (with toggle outputs)
(toggle outputs also possible from the lower-order 8 bits)
Mode 3: 16-bit timer with an 8-bit prescaler (with toggle outputs)
(The lower-order 8 bits can be used as PWM.)
•
Timer 4: 8-bit timer with a 6-bit prescaler
•
Timer 5: 8-bit timer with a 6-bit prescaler
•
Timer 6: 8-bit timer with a 6-bit prescaler (with toggle output)
•
Timer 7: 8-bit timer with a 6-bit prescaler (with toggle output)
•
Base timer
1) The clock is selectable from the subclock (32.768kHz crystal oscillation), system clock, and timer 0 prescaler
output.
2) Interrupts programmable in 5 different time schemes
High-speed Clock Counter
1) Can count clocks with a maximum clock rate of 20MHz (at a main clock of 10MHz)
2) Can generate output real-time
SIO
•
SIO0: 8-bit synchronous serial interface
1) LSB first/MSB first mode selectable
2) Built-in 8-bit baudrate generator (maximum transfer clock cycle = 4/3 tCYC)
3) Automatic continuous data transmission (1 to 256 bits, specifiable in 1-bit units, suspension and resumption of
data transmission possible in 1-byte units)
•
SIO1: 8-bit asynchronous/synchronous serial interface
Mode 0: Synchronous 8-bit serial I/O (2- or 3-wire configuration, 2 to 512 tCYC transfer clocks)
Mode 1: Asynchronous serial I/O (half-duplex, 8-data bits, 1-stop bit, 8 to 2048 tCYC baudrates)
Mode 2: Bus mode 1 (start bit, 8-data bits, 2 to 512 tCYC transfer clocks)
Mode 3: Bus mode 2 (start detect, 8-data bits, stop detect)
No.A0478-2/27
LC87F2832A
UART
•
Full duplex
•
7/8/9 bit data bits selectable
•
1 stop bit (2-bit in continuous data transmission)
•
Built-in baudrate generator
AD Converter: 8 bits
×
11 channels
PWM: Multifrequency 12-bit PWM
×
2 channels
Remote Control Receiver Circuit (sharing pins with P73, INT3, and T0IN)
•
Noise rejection function (noise filter time constant selectable from 1 tCYC, 32 tCYC, and 128 tCYC)
Watchdog Timer
•
External RC watchdog timer
•
Interrupt and reset signals selectable
Clock Output Function
1) Able to output selected oscillation clock 1/1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64 as system clock.
2) Able to output oscillation clock of sub clock.
Interrupts
•
25 sources, 10 vector addresses
1) Provides three levels (low (L), high (H), and highest (X)) of multiplex interrupt control. Any interrupt requests
of the level equal to or lower than the current interrupt are not accepted.
2) When interrupt requests to two or more vector addresses occur at the same time, the interrupt of the highest level
takes precedence over the other interrupts. For interrupts of the same level, the interrupt into the smallest vector
address takes precedence.
No.
1
2
3
4
5
6
7
8
9
10
Vector Address
00003H
0000BH
00013H
0001BH
00023H
0002BH
00033H
0003BH
00043H
0004BH
Level
X or L
X or L
H or L
H or L
H or L
H or L
H or L
H or L
H or L
H or L
INT0
INT1
INT2/T0L/INT4
INT3/INT5/base timer0/ base timer1
T0H/INT6
T1L/T1H/INT7
SIO0/UART1 receive
SIO1/UART1 transmit
ADC/T6/T7
Port 0/T4/T5/PWM2, PWM3
Interrupt Source
•
Priority levels X > H > L
•
Of interrupts of the same level, the one with the smallest vector address takes precedence.
•
IFLG (List of interrupt source flag function)
1) Shows a list of interrupt source flags that caused a branching to a particular vector address (shown in the
diagram above).
Subroutine Stack Levels: 512 levels (the stack is allocated in RAM)
High-speed Multiplication/Division Instructions
•
16 bits
×
8 bits
(5 tCYC execution time)
•
24 bits
×
16 bits
(12 tCYC execution time)
•
16 bits
÷
8 bits
(8 tCYC execution time)
•
24 bits
÷
16 bits
(12 tCYC execution time)
No.A0478-3/27
LC87F2832A
Oscillation Circuits
•
RC oscillation circuit (internal):
For system clock
•
CF oscillation circuit:
For system clock, with internal Rf
•
Crystal oscillation circuit:
For low-speed system clock, with internal Rf
•
Frequency variable RC oscillation circuit (internal): For system clock
1) Adjustable in ±4% (typ) step from a selected center frequency.
2) Measures oscillation clock using a input signal from XT1 as a reference.
System Clock Divider Function
•
Can run on low current.
•
The minimum instruction cycle selectable from 300ns, 600ns, 1.2μs, 2.4μs, 4.8μs, 9.6μs, 19.2μs, 38.4μs,
and 76.8μs (at a main clock rate of 10MHz).
Standby Function
•
HALT mode: Halts instruction execution while allowing the peripheral circuits to continue operation.
1) Oscillation is not halted automatically.
2) Canceled by a system reset or occurrence of an interrupt
•
HOLD mode: Suspends instruction execution and the operation of the peripheral circuits.
1) The CF, RC, X’tal, and frequency variable RC oscillators automatically stop operation.
2) There are three ways of resetting the HOLD mode.
(1) Setting the reset pin to the low level.
(2) Setting at least one of the INT0, INT1, INT2, INT4, and INT5 pins to the specified level
(3) Having an interrupt source established at port 0
•
X'tal HOLD mode: Suspends instruction execution and the operation of the peripheral circuits except the base timer.
1) The CF, RC, and frequency variable RC oscillators automatically stop operation.
2) The state of crystal oscillation established when the X'tal HOLD mode is entered is retained.
3) There are four ways of resetting the X'tal HOLD mode.
(1) Setting the reset pin to the low level
(2) Setting at least one of the INT0, INT1, INT2, INT4, and INT5 pins to the specified level
(3) Having an interrupt source established at port 0
(4) Having an interrupt source established in the base timer circuit
On-chip Debugger
•
Supports software debugging with the IC mounted on the target board (LC87D2832A).
LC87F2832A has a On-chip debugger but its function is limited.
Package Form
•
TQFP64J (7
×
7):
Lead-/Halogen-free type
•
FLGA68K (6.0
×
6.0): Lead-/Halogen-free type
•
FLGA64 (5.0
×
5.0):
Lead-/Halogen-free type
Development Tools
•
On-chip debugger: TCB87- TypeB + LC87D2832A
Programming Boards
Package
TQFP64J (7×7)
FLGA68K (6.0×6.0)
FLGA64 (5.0×5.0)
W87F58256TQ7
W87F58256FL6 * This board is Built To Order. It may take about a month to deliver.
W87F59256FL5 * This board is Built To Order. It may take about a month to deliver.
Programming boards
Flash ROM Programmer
Maker
Flash Support Group, Inc.
(Formerly Ando Electric Co., Ltd.)
SANYO
Model
AF9708/AF9709/
AF9709B
SKK (SANYO FWS)
Supported version (Note)
After 02.57
Application Version: After 1.03
Chip Data Version: After 2.03
Device
LC87F2832A
LC87F2832A
Note: Please check the latest version.
No.A0478-4/27
LC87F2832A
Package Dimension
unit : mm (typ)
3289
9.0
7.0
48
49
33
32
7.0
64
1
0.4
(0.5)
0.16
16
17
0.125
1.2max
0.1
(1.0)
SANYO : TQFP64J(7X7)
Package Dimensions
unit : mm (typ)
3326
TOP VIEW
6.0
0.3
BOTTOM VIEW
0.5
8 9 10 11
1 2 3 4 56 7
L K J H G F ED C BA
9.0
0.5
6.0
0.3
0.5
(0.45)
(0.45)
0.4
0.0NOM
0.85MAX
SIDE VIEW
SANYO : FLGA68K(6.0X6.0)
0.5
0.5
No.A0478-5/27
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